第 9 季 共 24 集
播出时间：2008年10月10日
第 1 集 For Warrick
播出时间：2008年10月10日
After Warrick is shot in a Las Vegas alley, the CSI team comes together to deal with the aftermath.
第 2 集 The Happy Place
播出时间：2008年10月17日
A hypnotist bank robber becomes the prime suspect in a murder investigation.
第 3 集 Art Imitates Life
播出时间：2008年10月24日
After several victims are found dead while performing normal, everyday activities, the CSIs must find the reason as to why each of the victims remain upright after dying.
第 4 集 Let it Bleed
播出时间：2008年10月31日
The team investigates the death of a woman who turns out to be the daughter of a wanted criminal.
第 5 集 Leave out All the Rest
播出时间：2008年11月7日
Grissom asks Lady Heather for help when the team investigates a case connected to the world of domination.
第 6 集 Say Uncle
播出时间：2008年11月14日
The team has a hard time investigating a shooting in Koreatown when none of the witnesses will talk about the crime.
第 7 集 Woulda, Coulda, Shoulda
播出时间：2008年11月21日
The murder of a mother and her child seems to be connected to a murder case from 12 years earlier.
第 8 集 Young Man with a Horn
播出时间：2008年12月5日
A popular young singer is found dead outside an infamous Las Vegas nightclub, leading the CSI team to uncover a link between that crime and a murder 50 years earlier.
第 9 集 CSI-19 down
播出时间：2008年12月12日
When the team discovers a connection between a new murder and a serial killer, Grissom secretly joins the class of a criminal pathologist (Laurence Fishburne) to help crack the case.
第 10 集 One to Go
播出时间：2009年1月16日
The CSI team is shocked and saddened when, after working with Dr. Raymond Langston (Fishburne) on the "Dick & Jane" murders, Grissom announces that his time as a CSI has come to an end and offers Langston a permanent position on the CSI team.
第 11 集 The Grave Shift
播出时间：2009年1月23日
The first day on the job for Dr. Langston turns from bad to worse when a simple burglary case quickly overlaps with a complicated arson and homicide case.
第 12 集 Disarmed and Dangerous
播出时间：2009年1月30日
The detectives search for the murderer of FBI agent Billy Ray Jackson, only Billy Ray isn't really an FBI agent, and neither are his impressively capable partners, Miles Baker and Emma Solomon.
第 13 集 Deep Fried and Minty Fresh
播出时间：2009年2月13日
Langston and Nick are called to investigate a murder at a fast food restaurant and have quite a task ahead of them when they discover that much of the evidence is coated in cooking oil.
第 14 集 Miscarriage of Justice
播出时间：2009年2月20日
While Langston testifies in the trial of a respected Congressman, new evidence sends the CSIs back to the lab to reopen the investigation.
第 15 集 Kill Me If You Can
播出时间：2009年2月27日
The CSI are called to three different crime scenes in one night that are seemingly unrelated, but each case's forensic evidence reveals a common link
第 16 集 Turn, Turn, Turn
播出时间：2009年3月6日
When the CSIs are called to a murder scene at a familiar motel, Nick is thrown for a loop as he pieces together three separate murder investigations that all took place at the same establishment over the course of a year.
第 17 集 No Way Out
播出时间：2009年3月13日
Langston and Riley are taken hostage during the aftermath of a shootout in an usually calm Las Vegas community.
第 18 集 Mascara
播出时间：2009年4月3日
Langston is shocked when his former student is found murdered and becomes the focus of a CSI investigation into the world of Mexican wrestling.
第 19 集 The Descent of Man
播出时间：2009年4月10日
When a seasoned sky diver is paralyzed after free falling to earth when his parachute doesn't deploy, he turns out to be linked to the strange death-by-airborne-toxins of two wealthy men with ties to Iran.
第 20 集 A Space Oddity
播出时间：2009年4月17日
When the producer of the reboot of a classic SF show is murdered at a Las Vegas science-fiction convention attended by both Hodges and Wendy (both, unknown to each other, fans of the original show), they find a connection with each other as the team investigates the crime.
第 21 集 If I Had A Hammer
播出时间：2009年4月24日
Catherine revisits one of the very first cases she worked as a CSI when the convicted felon in the murder claims the verdict was based on faulty evidence.
第 22 集 The Gone Dead Train
播出时间：2009年5月1日
A series of indeterminate deaths test the deductive powers of the CSI team, who fear that a public health emergency may be in the offing. Meanwhile, a friendly rivalry over who will win an upcoming bikini contest takes a deadly turn...
第 23 集 Hog Heaven
播出时间：2009年5月8日
A band of vicious bikers is given the go-ahead to take down one of their own when it's discovered that the guy is an undercover cop.
第 24 集 All In
播出时间：2009年5月15日
A cache of missing chips from a closed down casino turn up in Vegas and a string of murders follow, leading Langston to use deadly force for the first time in his career as a CSI.
